Highly contagious Covid strain spreading worldwide

The highly contagious COVID-19 strain NB.1.8.1 from China is rapidly spreading worldwide. The strain caused a sharp increase in hospitalizations in China in March and April and has now been detected in several US states and other countries. Experts warn that the virus spreads faster than other dominant strains. Like other forms of COVID-19, it also causes cough, sore throat, fever, and fatigue.